Gem named gems

Gem naming 1 Naming of natural gemstones The Confédération Internatio nale de la Bijouterie (Joaillerie et Orfèvrerie, CIBJO) stipulates that the name of the gemstone should be the name of the mineral or the commercial name passed down from history; the jade is passed down from the main ......

Drilling gold out of the ground

"Received a mandate to be carrying, confidence more difficult than large, there must be efforts to work, he was never discouraged setbacks, overcome difficulties and strive to complete the task." Recently, Lingbao Gold Co., Ltd. Nanshan Branch Mine West Qiangma In the interview with the a ......

Difficult to select low-grade bauxite for efficient use

Bauxite resources in Chongqing rich reserves of bauxite ore bodies have been identified reserves of 123 million tons. Bauxite mainly in the low grade ore with a high sulfur-based, low-grade ore, wherein more scandium, gallium, rare scattered elements content, some deposits also contains lithium, va ......